#6377EA#6377EA

#6377EA is a mid, vivid blue. Relative luminance 0.218; OKLCH L 61.2% C 0.173 H 272.8°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#6377EA
RGB	rgb(99, 119, 234)
HSL	hsl(231, 76%, 65%)
HSV	hsv(231, 58%, 92%)
CMYK	cmyk(57.7%, 49.1%, 0%, 8.2%)
CIE-LAB	lab(53.80, 26.15, -60.60)
CIE-LCH	lch(53.80, 66.00, 293.34°)
OKLab	oklab(61.16% 0.0085 -0.1732)
OKLCH	oklch(61.16% 0.173 272.8)
XYZ	xyz(26.5888, 21.7848, 80.6297)
Luminance	0.2179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6377EA #EAD663

analogous

#63BAEA #6377EA #9263EA

triadic

#6377EA #EA6377 #77EA63

tetradic

#6377EA #EA63BA #EAD663 #63EA92

square

#6377EA #EA63BA #EAD663 #63EA92

split-complementary

#6377EA #EA9263 #BAEA63

monochromatic

#1931BA #2D48E3 #6377EA #99A6F1 #CFD5F9

Accessibility & contrast

On white

3.92

#6377EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#6377EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6377EA

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6377EA	#FFFFFF	#000000	##000000
##6377EA	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C87EE

Deuteranopia (green-blind)

#237BE8

Tritanopia (blue-blind)

#0091A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #6377ea;
/* rgb */ color: rgb(99, 119, 234);
/* oklch */ color: oklch(61.2% 0.173 272.8);

Tailwind

colors: {
  custom: {
    50: '#9a9ef1',
    500: '#6377ea',
    950: '#000000',
  },
}

SCSS

$custom: #6377ea;
$custom-light: #9a9ef1;
$custom-dark: #000000;

JSON

{
  "hex": "#6377ea",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 234
  },
  "hsl": {
    "h": 231.111,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.61161,
    "c": 0.17346,
    "h": 272.8
  },
  "luminance": 0.21787
}

Semantic roles & 50–950 ramp

primary

#6377EA

secondary

#EBE4BE

accent

#BA0DD8

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6377EA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →